feat(comment): Implement comment module foundation

2025-04-10 02:02:02 +08:00
parent 27dd1409f6
commit 449f5418b2
34 changed files with 2624 additions and 13 deletions
@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
+<mapper namespace="com.nuaa.video.comment.mapper.CommentLikeMapper">
+
+    <!-- 检查用户是否已点赞 -->
+    <select id="checkUserLiked" resultType="long">
+        SELECT COUNT(1)
+        FROM comment_like
+        WHERE comment_id = #{commentId}
+          AND user_id = #{userId}
+          AND type = #{type}
+    </select>
+
+    <!-- 统计视频评论点赞数 -->
+    <select id="countVideoCommentLikes" resultType="int">
+        SELECT COUNT(1)
+        FROM comment_like cl
+                 LEFT JOIN comment c ON cl.comment_id = c.id AND cl.type = 1
+                 LEFT JOIN comment_reply cr ON cl.comment_id = cr.id AND cl.type = 2
+        WHERE (c.video_id = #{videoId} OR cr.video_id = #{videoId})
+    </select>
+</mapper>
@@ -0,0 +1,52 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
+<mapper namespace="com.nuaa.video.comment.mapper.CommentMapper">
+
+    <!-- 分页查询评论列表 -->
+    <select id="selectCommentList" resultType="com.nuaa.video.comment.entity.Comment">
+        SELECT *
+        FROM comment
+        <where>
+            status = 1
+            <if test="query.videoId != null">
+                AND video_id = #{query.videoId}
+            </if>
+            <if test="query.userId != null">
+                AND user_id = #{query.userId}
+            </if>
+        </where>
+        <choose>
+            <when test="query.orderBy != null and query.orderBy != ''">
+                ORDER BY top_status DESC, ${query.orderBy}
+                <if test="query.orderDirection != null and query.orderDirection != ''">
+                    ${query.orderDirection}
+                </if>
+            </when>
+            <otherwise>
+                ORDER BY top_status DESC, create_time DESC
+            </otherwise>
+        </choose>
+    </select>
+
+    <!-- 增加点赞数 -->
+    <update id="increaseLikeCount">
+        UPDATE comment
+        SET like_count = like_count + #{count}
+        WHERE id = #{commentId}
+    </update>
+
+    <!-- 增加回复数 -->
+    <update id="increaseReplyCount">
+        UPDATE comment
+        SET reply_count = reply_count + #{count}
+        WHERE id = #{commentId}
+    </update>
+
+    <!-- 统计视频评论数 -->
+    <select id="countVideoComments" resultType="int">
+        SELECT COUNT(1)
+        FROM comment
+        WHERE video_id = #{videoId}
+          AND status = 1
+    </select>
+</mapper>
@@ -0,0 +1,38 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
+<mapper namespace="com.nuaa.video.comment.mapper.CommentReplyMapper">
+
+    <!-- 查询评论的回复列表 -->
+    <select id="selectCommentReplyList" resultType="com.nuaa.video.comment.entity.CommentReply">
+        SELECT *
+        FROM comment_reply
+        WHERE comment_id = #{commentId}
+          AND status = 1
+        ORDER BY create_time ASC
+    </select>
+
+    <!-- 获取评论的热门回复 -->
+    <select id="selectHotReplies" resultType="com.nuaa.video.comment.entity.CommentReply">
+        SELECT *
+        FROM comment_reply
+        WHERE comment_id = #{commentId}
+          AND status = 1
+        ORDER BY like_count DESC, create_time ASC
+        LIMIT #{limit}
+    </select>
+
+    <!-- 增加点赞数 -->
+    <update id="increaseLikeCount">
+        UPDATE comment_reply
+        SET like_count = like_count + #{count}
+        WHERE id = #{replyId}
+    </update>
+
+    <!-- 统计视频回复数 -->
+    <select id="countVideoReplies" resultType="int">
+        SELECT COUNT(1)
+        FROM comment_reply
+        WHERE video_id = #{videoId}
+          AND status = 1
+    </select>
+</mapper>